| 2023 Hardiness Zone: | Zone 9a: 20°F to 25°F |
| 2012 Hardiness Zone: | Zone 8b: 15°F to 20°F |
| 1990 Hardiness Zone: | Zone 8b: 15F to 20F |
| Average First Frost Date: | Jan. 1 - Jan. 10 |
| Average Last Frost Date: | Feb. 1 - Feb. 10 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 75j - Sea Islands/Coastal Marsh |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 31406 - Savannah, GA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 38 | 40 | 47 | 52 | 61 | 68 | 71 | 71 | 67 | 56 | 46 | 40 | 55 |
| Avg Max Temp (°F) | 61 | 64 | 71 | 77 | 84 | 88 | 91 | 90 | 86 | 78 | 70 | 63 | 77 |
| Avg Precip (In.) | 4.07 | 3.08 | 3.78 | 3.16 | 3.4 | 5.47 | 5.81 | 7.22 | 5.15 | 3.1 | 2.52 | 2.95 | 49.71 |